diff --git a/eng/Versions.props b/eng/Versions.props
index 3c5ffbd69..b1a71dbe8 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -172,7 +172,7 @@
       or minor release, prebuilts may be needed. When the release is mature, prebuilts are not
       necessary, and this property is removed from the file.
     -->
-    <PrivateSourceBuiltArtifactsPackageVersion>6.0.2</PrivateSourceBuiltArtifactsPackageVersion>
+    <PrivateSourceBuiltArtifactsPackageVersion>6.0.103</PrivateSourceBuiltArtifactsPackageVersion>
   </PropertyGroup>
   <!-- Workload manifest package versions -->
   <PropertyGroup>
diff --git a/eng/source-build-tarball-build.yml b/eng/source-build-tarball-build.yml
index 18dbe8324..da87d93cf 100644
--- a/eng/source-build-tarball-build.yml
+++ b/eng/source-build-tarball-build.yml
@@ -4,7 +4,7 @@ resources:
   pipelines:
   - pipeline: installer-build-resource
     source: installer
-    trigger: true
+    trigger: none
 
 stages:
 - stage: build
diff --git a/src/SourceBuild/Arcade/tools/TextOnlyPackages.csproj b/src/SourceBuild/Arcade/tools/TextOnlyPackages.csproj
index e4ad12e49..6fc81bf3d 100644
--- a/src/SourceBuild/Arcade/tools/TextOnlyPackages.csproj
+++ b/src/SourceBuild/Arcade/tools/TextOnlyPackages.csproj
@@ -11,9 +11,7 @@
     should be added to source-build-reference-packages.
   -->
   <ItemGroup>
-    <PackageDownload Include="Microsoft.DotNet.Common.ItemTemplates" Version="[$(MicrosoftDotNetCommonItemTemplates60PackageVersion)]" />
     <PackageDownload Include="Microsoft.DotNet.Web.ItemTemplates.6.0" Version="[$(AspNetCorePackageVersionFor60Templates)]" />
-    <PackageDownload Include="Microsoft.DotNet.Common.ProjectTemplates.6.0" Version="[$(MicrosoftDotNetCommonProjectTemplates60PackageVersion)]" />
     <PackageDownload Include="Microsoft.DotNet.Web.ProjectTemplates.6.0" Version="[$(AspNetCorePackageVersionFor60Templates)]" />
     <PackageDownload Include="Microsoft.DotNet.Web.Spa.ProjectTemplates.6.0" Version="[$(AspNetCorePackageVersionFor60Templates)]" />
 
diff --git a/src/SourceBuild/tarball/content/test/Microsoft.DotNet.SourceBuild.SmokeTests/assets/baselines/MsftToSbSdk.diff b/src/SourceBuild/tarball/content/test/Microsoft.DotNet.SourceBuild.SmokeTests/assets/baselines/MsftToSbSdk.diff
index ec672a047..6418004c8 100644
--- a/src/SourceBuild/tarball/content/test/Microsoft.DotNet.SourceBuild.SmokeTests/assets/baselines/MsftToSbSdk.diff
+++ b/src/SourceBuild/tarball/content/test/Microsoft.DotNet.SourceBuild.SmokeTests/assets/baselines/MsftToSbSdk.diff
@@ -47,18 +47,18 @@ index ------------
 +./packs/Microsoft.AspNetCore.App.Ref/x.y.z/ref/netx.y/System.Text.Encodings.Web.xml
 +./packs/Microsoft.AspNetCore.App.Ref/x.y.z/ref/netx.y/System.Text.Json.dll
 +./packs/Microsoft.AspNetCore.App.Ref/x.y.z/ref/netx.y/System.Text.Json.xml
-+./packs/Microsoft.NETCore.App.Host.bannana.rid/
-+./packs/Microsoft.NETCore.App.Host.bannana.rid/x.y.z/
-+./packs/Microsoft.NETCore.App.Host.bannana.rid/x.y.z/runtimes/
-+./packs/Microsoft.NETCore.App.Host.bannana.rid/x.y.z/runtimes/bannana.rid/
-+./packs/Microsoft.NETCore.App.Host.bannana.rid/x.y.z/runtimes/bannana.rid/native/
-+./packs/Microsoft.NETCore.App.Host.bannana.rid/x.y.z/runtimes/bannana.rid/native/apphost
-+./packs/Microsoft.NETCore.App.Host.bannana.rid/x.y.z/runtimes/bannana.rid/native/coreclr_delegates.h
-+./packs/Microsoft.NETCore.App.Host.bannana.rid/x.y.z/runtimes/bannana.rid/native/hostfxr.h
-+./packs/Microsoft.NETCore.App.Host.bannana.rid/x.y.z/runtimes/bannana.rid/native/libnethost.a
-+./packs/Microsoft.NETCore.App.Host.bannana.rid/x.y.z/runtimes/bannana.rid/native/libnethost.so
-+./packs/Microsoft.NETCore.App.Host.bannana.rid/x.y.z/runtimes/bannana.rid/native/nethost.h
-+./packs/Microsoft.NETCore.App.Host.bannana.rid/x.y.z/runtimes/bannana.rid/native/singlefilehost
++./packs/Microsoft.NETCore.App.Host.banana.rid/
++./packs/Microsoft.NETCore.App.Host.banana.rid/x.y.z/
++./packs/Microsoft.NETCore.App.Host.banana.rid/x.y.z/runtimes/
++./packs/Microsoft.NETCore.App.Host.banana.rid/x.y.z/runtimes/banana.rid/
++./packs/Microsoft.NETCore.App.Host.banana.rid/x.y.z/runtimes/banana.rid/native/
++./packs/Microsoft.NETCore.App.Host.banana.rid/x.y.z/runtimes/banana.rid/native/apphost
++./packs/Microsoft.NETCore.App.Host.banana.rid/x.y.z/runtimes/banana.rid/native/coreclr_delegates.h
++./packs/Microsoft.NETCore.App.Host.banana.rid/x.y.z/runtimes/banana.rid/native/hostfxr.h
++./packs/Microsoft.NETCore.App.Host.banana.rid/x.y.z/runtimes/banana.rid/native/libnethost.a
++./packs/Microsoft.NETCore.App.Host.banana.rid/x.y.z/runtimes/banana.rid/native/libnethost.so
++./packs/Microsoft.NETCore.App.Host.banana.rid/x.y.z/runtimes/banana.rid/native/nethost.h
++./packs/Microsoft.NETCore.App.Host.banana.rid/x.y.z/runtimes/banana.rid/native/singlefilehost
  ./packs/Microsoft.NETCore.App.Ref/
  ./packs/Microsoft.NETCore.App.Ref/x.y.z/
  ./packs/Microsoft.NETCore.App.Ref/x.y.z/analyzers/
@@ -764,6 +764,14 @@ index ------------
  ./sdk/x.y.z/ref/mscorlib.dll
  ./sdk/x.y.z/ref/netstandard.dll
 @@ ------------ @@
+ ./sdk/x.y.z/Roslyn/bincore/ru/Microsoft.CodeAnalysis.CSharp.resources.dll
+ ./sdk/x.y.z/Roslyn/bincore/ru/Microsoft.CodeAnalysis.resources.dll
+ ./sdk/x.y.z/Roslyn/bincore/ru/Microsoft.CodeAnalysis.VisualBasic.resources.dll
++./sdk/x.y.z/Roslyn/bincore/runtimes/
++./sdk/x.y.z/Roslyn/bincore/runtimes/win/
++./sdk/x.y.z/Roslyn/bincore/runtimes/win/lib/
++./sdk/x.y.z/Roslyn/bincore/runtimes/win/lib/netcoreapp3.1/
++./sdk/x.y.z/Roslyn/bincore/runtimes/win/lib/netcoreapp3.1/System.Text.Encoding.CodePages.dll
  ./sdk/x.y.z/Roslyn/bincore/System.Collections.Immutable.dll
  ./sdk/x.y.z/Roslyn/bincore/System.Reflection.Metadata.dll
  ./sdk/x.y.z/Roslyn/bincore/System.Runtime.CompilerServices.Unsafe.dll
diff --git a/src/redist/targets/BundledManifests.targets b/src/redist/targets/BundledManifests.targets
index 6e8361d80..3618623f1 100644
--- a/src/redist/targets/BundledManifests.targets
+++ b/src/redist/targets/BundledManifests.targets
@@ -58,7 +58,8 @@
       <SignCheckWorkloadManifestMsiInputFiles Include="@(BundledManifestsToValidateSigning->'%(RestoredMsiPathInNupkg)')" />
     </ItemGroup>
 
-    <Exec Command="$(SignCheckExe) ^
+    <Exec Condition="'@(SignCheckWorkloadManifestMsiInputFiles->Count())' != '0'" 
+                   Command="$(SignCheckExe) ^
                    --recursive ^
                    -f UnsignedFiles ^
                    -i @(SignCheckWorkloadManifestMsiInputFiles, ' ') ^